[Bug target/79080] [7 Regression] ICE: internal consistency failure (error: invalid rtl sharing found in the insn) (error: shared rtx)

2017-01-16 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79080

Jakub Jelinek  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #3 from Jakub Jelinek  ---
Fixed.

[Bug target/79080] [7 Regression] ICE: internal consistency failure (error: invalid rtl sharing found in the insn) (error: shared rtx)

2017-01-16 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79080

--- Comment #2 from Jakub Jelinek  ---
Author: jakub
Date: Mon Jan 16 21:34:35 2017
New Revision: 244506

URL: https://gcc.gnu.org/viewcvs?rev=244506&root=gcc&view=rev
Log:
PR target/79080
* loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
sequence.  Formatting fixes.
(doloop_optimize): Formatting fixes.

* gcc.dg/pr79080.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/pr79080.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/loop-doloop.c
trunk/gcc/testsuite/ChangeLog

[Bug target/79080] [7 Regression] ICE: internal consistency failure (error: invalid rtl sharing found in the insn) (error: shared rtx)

2017-01-13 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79080

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P1
   Target Milestone|--- |7.0

[Bug target/79080] [7 Regression] ICE: internal consistency failure (error: invalid rtl sharing found in the insn) (error: shared rtx)

2017-01-13 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79080

Jakub Jelinek  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2017-01-13
   Assignee|unassigned at gcc dot gnu.org  |jakub at gcc dot gnu.org
 Ever confirmed|0   |1

--- Comment #1 from Jakub Jelinek  ---
Created attachment 40513
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40513&action=edit
gcc7-pr79080.patch

The doloop code uses the expansion code (which relies on rtxes being unshared
afterwards) without actually unsharing stuff like e.g. ifcvt.c and other places
that use expander routines late do.